Method Of Making Rhenium Coating

A method for making an article from rhenium and in particular a rocket nozzle First a molybdenum mandrel is formed with a portion having the desired shape of the nozzle A layer of rhenium is deposited over the nozzle portion, and then rhenium wire is wrapped around this rhenium layer

A method of forming a rhenium-based layer on a tubular-shaped component that contacts a silica-containing material, the method comprising the step of forming a rhenium-based layer on a surface of a tungsten-based substrate, the layer and the substrate having densities of at least about 96% of their respective theoretical densities

The claimed subject matter relates to rhenium articles and methods wherein weight and costs are reduced by substituting graphite for some of the rhenium, and is particularly suitable for articles and methods of making articles for high temperature applications such as rocket engines wherein there is a carbon diffusion barrier between the

Aug 10, 1999 · Method for making a high temperature, high pressure, erosion and corrosion resistant composite structure A pure rhenium coating was chemically vapor deposited on the mandrel from rhenium pentachloride at a temperature of approximately 1150 degrees Celsius The coating was allowed to build up to a thickness of about 0020 inches

The Electrochemical Deposition of Rhenium Chalcogenides from Different Electrolytes 186 coatings with demanded composition[14, 15] The purpose of this stone is to summarize, organize and view publications for 20-30 years and to identify trends and opportunities of modern electrochemical methods (voltammetry, potentiometry, ammeter, etc)

Provided is a method of making an ODS molybdenum-rhenium alloy which includes the steps of: (a) forming a slurry containing molybdenum oxide and a metal salt dispersed in an aqueous medium, the metal salt being selected from nitrates or acetates of lanthanum, cerium or thorium; (b) heating the

Feb 03, 1976 · A method according to claim 4, whereby the tungsten-rhenium alloy coating is overlay welded in layers of at least 02 mm thick Description: The present invention relates to X-ray technique, and more particularly to rotary anodes for diagnostic power X-ray tubes and methods for making same

2 Multilayer rhenium coating using CVD Rhenium possesses a unique combination of material properties such as stone inertness, superior high-temperature strength, and room temperature ductility, which make it an excellent choice for many demanding high-temperature structural, wear-resistant, and erosion-resistant applications

A method of manufacturing an article of claim 15 comprising selecting said graphite substrate, diffusion barrier coating, and protective coating so that the largest of said graphite, carbide, and rhenium coefficients of thermal expansion area no more than approximately 30 percent larger than the smallest of said graphite, carbide, and rhenium

In a known method for coating a crucible for use at a high working temperature in a crucible drawing method for quartz glass, a base body wall of tungsten has applied thereto a protective layer containing a coating metal consisting of the group selected from iridium, rhenium, osmium and ruthenium

ASTM B809 test method Data “Flowers-of-Sulfur” (FoS) The FoS test method was used to study how the finish of a circuit board behaves in a corrosive, sulfur-containing environment The method was designed to show whether attempts to mitigate corrosion, specifically creep corrosion, with a protective coating were successful

Jun 20, 2000 · A method for preparing a radioactive, implantable, medical device is provided The method involves depositing a layer of a radioactive metal that emits beta particles and that has a half-life of betwe Method of making a radioactive stent the coating comprises a radioactive layer comprising a radioactive metal that emits

Method of making workpieces of tungsten-titanium hard alloy possibility for applying coating with enhanced working parameters, namely with high micro-hardness due to using electrode according to invention The inert electrode is used as cathode The soluble alloy is used as anode Dissolution of the nickel-based rhenium containing heat

Jan 30, 2003 · A method for coating of a part made of silicon carbide material, wherein a coating compound is applied to at least one surface of said part and the assembly formed by the part and the coating compound is heated to a temperature sufficient to cause the surface of the coating compound to melt in order to coat said piece with a deposit of silicon

Provided is a method of making an ODS molybdenum-rhenium alloy which includes the steps of: (a) forming a slurry containing molybdenum oxide and a metal salt dispersed in an aqueous medium, the metal salt being selected from nitrates or acetates of lanthanum, cerium or thorium; (b) heating the

Isotopes Rhenium oxides are available in powder and dense pellet form for such uses as optical coating and thin film applications Oxides tend to be insoluble Rhenium fluorides are another insoluble form for uses in which oxygen is undesirable such as metallurgy, stone and physical vapor deposition and in some optical coatings

Conclusion Ideally, the coating method will be selected by a cast of experts with deep knowledge and expertise in providing this service Carestream Contract Manufacturing brings tremendous history, facilities and experienced people to provide the best possible coating solution for each customer on a case-by-case basis

A method for making an article from rhenium and in particular a rocket nozzle First a molybdenum mandrel (10) is formed with a portion having the desired shape of the nozzle A layer of rhenium (18) is deposited over the nozzle portion (12), and then rhenium wire (20) is wrapped around this rhenium …

Plating Methods Barrel Plating ; Electroless Plating; tungsten coatings can stymie the spread of both red and white rusts that can cause the premature demise of metal parts iridium, osmium and rhenium metals weigh more Tungsten’s superior corrosion resistance makes it suitable for use in severe environments Tungsten offers good

Compared with other materials, pure rhenium heaters have the outstanding properties of more excellent electric performance It has longer working life, and more endurance under bad conditions Rhenium sputter target can be used to make rhenium thin film so as …

production of rhenium chalcogenides by electrochemical method A review using various electrochemical methods revealed the scientific basis of joint electrodeposition of rhenium with chalcogens patterns of different electrolytes and synthesized new semiconductor coating of rhenium chalcogenides The electrolyte used sulfate,

Heat resistant metal-ceramic coating and method of its application The coating has no tantalum, rhenium and silicone EFFECT: coating is characterised by high properties of resistance to high-temperature corrosion and oxidation 4 cl, 5 dwg Cutting tool with multilayer coating // 2542185

Rhenium and rhenium alloys and manufacturing technology application status,Industry news,News,Rheniumet Ltd,Rhenium is a rare and refractory metals, high melting point, high strength and good ductility and excellent mechanical stability, its melting

Coating Method can measure thicknesses in microns in seconds Up to three layers of coatings can be measured on any type of substrate — metals, plastics, glass, and even stone A wide range of industries need to measure coating thicknesses For example, zinc impedes corrosion and is moisture resistant, making it a useful coating for various

New powders, process modeling methods and development of near-net-shape manufacturing methods are leading the way to wider use of rhenium and rhenium alloy components Rhenium and rhenium alloys offer attractive high-temperature pro-perties for use in aerospace applications

Vapor Pressure and Heat of Sublimation of Rhenium1 E R Plante and R Szwarc:! Institute for Materials Research, National Bureau of Standards, Washington, DC (Oclober 27, 1965) The vapor pressure of rhenium was measured by the Langmuir method in the temperature ran"e …

Inner tension of thin coatings of rhenium chalcogenides was investigated by the method of a flexible cathode deforming [9] For accurate determination of a value of deflection, counting out was made by using the horizontal microscope with a micrometric scale of MIR-2 mark

Small quantities of rhenium make molybdenum ductile even below room temperature Molybdenum-rhenium (MoRe) is primarily used for thermocouple wires in the standard compositions MoRe5 and MoRe41 as well as in applications where a high level of ductility is important Therefore our metals are best suitable for the use as contact and coating

A method for making an interdiffused metal coating of a first metal and a second, more active, valve metal upon an electrically conductive substrate selected from the group of boron, molybdenum, silicon, tungsten, niobium, graphite, technetium, rhenium, the platinum group metals, electrically conductive ceramics and mixtures thereof comprising

2 days ago · This method works for cooking average-sized chops (about an inch thick), bone-in or boneless, though for smaller or boneless chops I would pull them from the oven a few minutes earlier Two beaten eggs (or beer, mustard, or whatever else you’d like for coating the chops) Advertisement

Several experiments were performed to optimize the VPS parameters, deposition rate, and density of the rhenium coatings As shown in Figure 13, a flat coupon and a tube were VPS-ed to a maximum thickness of 5mm W H, “Rhenium Sources and Methods of Extraction and Refining” American Institute of Mining, Metallurgical and Petroleum

A turbine blade is the individual component which makes up the turbine section of a gas turbine or steam turbine The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor